REVENUE RECOGNITION - Schedule of Revenue Disaggregated by Revenue Source (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 02, 2026	Dec. 27, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 663,388	$ 683,780
Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	100.00%	100.00%
United States
Disaggregation of Revenue [Line Items]
Revenue	$ 602,901	$ 621,716
United States | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	100.00%	100.00%
Canada
Disaggregation of Revenue [Line Items]
Revenue	$ 60,487	$ 62,064
Canada | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	100.00%	100.00%
Uniforms
Disaggregation of Revenue [Line Items]
Revenue	$ 249,819	$ 268,975
Uniforms | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	37.70%	39.30%
Uniforms | United States
Disaggregation of Revenue [Line Items]
Revenue	$ 227,661	$ 245,778
Uniforms | United States | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	37.80%	39.50%
Uniforms | Canada
Disaggregation of Revenue [Line Items]
Revenue	$ 22,158	$ 23,197
Uniforms | Canada | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	36.60%	37.40%
Workplace Supplies
Disaggregation of Revenue [Line Items]
Revenue	$ 413,569	$ 414,805
Workplace Supplies | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	62.30%	60.70%
Workplace Supplies | United States
Disaggregation of Revenue [Line Items]
Revenue	$ 375,240	$ 375,938
Workplace Supplies | United States | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	62.20%	60.50%
Workplace Supplies | Canada
Disaggregation of Revenue [Line Items]
Revenue	$ 38,329	$ 38,867
Workplace Supplies | Canada | Revenue source | Product
Disaggregation of Revenue [Line Items]
Revenue percentage	63.40%	62.60%